Jove
Visualize
Contact Us
JoVE
x logofacebook logolinkedin logoyoutube logo
ABOUT JoVE
OverviewLeadershipBlogJoVE Help Center
AUTHORS
Publishing ProcessEditorial BoardScope & PoliciesPeer ReviewFAQSubmit
LIBRARIANS
TestimonialsSubscriptionsAccessResourcesLibrary Advisory BoardFAQ
RESEARCH
JoVE JournalMethods CollectionsJoVE Encyclopedia of ExperimentsArchive
EDUCATION
JoVE CoreJoVE BusinessJoVE Science EducationJoVE Lab ManualFaculty Resource CenterFaculty Site
Terms & Conditions of Use
Privacy Policy
Policies

Related Concept Videos

Precipitation of Ions03:11

Precipitation of Ions

27.8K
Predicting Precipitation
The equation that describes the equilibrium between solid calcium carbonate and its solvated ions is:
27.8K

You might also read

Related Articles

Articles linked to this work by shared authors, journal, and citation graph.

Sort by
Same author

Survival after cardiac arrest secondary to Capnocytophaga canimorsus meningitis: A case report.

Diagnostic microbiology and infectious disease·2026
Same author

Defect Suppression and Efficiency Enhancement of Slot-Die-Coated Formamidinium Lead Iodide Solar Devices via Ambient Air Annealing.

ACS applied materials & interfaces·2026
Same author

Assembly of small silica nanoparticles using lipid-tethered DNA 'bonds'.

Soft matter·2025
Same author

Mitigation of Defect Formation at the NiO<sub><i>x</i></sub>/Perovskite Interface in p-i-n Perovskite Solar Cells.

ACS applied materials & interfaces·2025
Same author

Feasibility and validation of a novel mobility monitoring sensor in hospitalized patients: A prospective cohort study.

Journal of clinical and translational science·2025
Same author

Co-Doping Approach for Enhanced Electron Extraction to TiO<sub>2</sub> for Stable Inorganic Perovskite Solar Cells.

Small science·2025

Related Experiment Video

Updated: Jun 12, 2025

Influence of Hybrid Perovskite Fabrication Methods on Film Formation, Electronic Structure, and Solar Cell Performance
11:38

Influence of Hybrid Perovskite Fabrication Methods on Film Formation, Electronic Structure, and Solar Cell Performance

Published on: February 27, 2017

18.4K

Surface Iodide Defects Control the Kinetics of the CsPbI3 Perovskite Phase Transformation.

Zachery R Wylie1,2, Mirella Al Katrib3,4, Rory Campagna1

  • 1Department of Engineering, Hope College, Holland, Michigan 49423, United States.

ACS Energy Letters
|September 19, 2024
PubMed
Summary

Researchers studied the phase transition of cesium lead iodide (CsPbI3) perovskites. Surface iodide concentration, particularly iodide vacancies, significantly slows the degradation of CsPbI3, enhancing material stability for optoelectronics.

More Related Videos

Monovalent Cation Doping of CH3NH3PbI3 for Efficient Perovskite Solar Cells
08:30

Monovalent Cation Doping of CH3NH3PbI3 for Efficient Perovskite Solar Cells

Published on: March 19, 2017

16.6K
Low Pressure Vapor-assisted Solution Process for Tunable Band Gap Pinhole-free Methylammonium Lead Halide Perovskite Films
08:12

Low Pressure Vapor-assisted Solution Process for Tunable Band Gap Pinhole-free Methylammonium Lead Halide Perovskite Films

Published on: September 8, 2017

9.5K

Related Experiment Videos

Last Updated: Jun 12, 2025

Influence of Hybrid Perovskite Fabrication Methods on Film Formation, Electronic Structure, and Solar Cell Performance
11:38

Influence of Hybrid Perovskite Fabrication Methods on Film Formation, Electronic Structure, and Solar Cell Performance

Published on: February 27, 2017

18.4K
Monovalent Cation Doping of CH3NH3PbI3 for Efficient Perovskite Solar Cells
08:30

Monovalent Cation Doping of CH3NH3PbI3 for Efficient Perovskite Solar Cells

Published on: March 19, 2017

16.6K
Low Pressure Vapor-assisted Solution Process for Tunable Band Gap Pinhole-free Methylammonium Lead Halide Perovskite Films
08:12

Low Pressure Vapor-assisted Solution Process for Tunable Band Gap Pinhole-free Methylammonium Lead Halide Perovskite Films

Published on: September 8, 2017

9.5K

Area of Science:

  • Materials Science
  • Solid-State Chemistry
  • Optoelectronics

Background:

  • Halide perovskites are crucial for optoelectronic applications like photovoltaics.
  • Material stability, specifically phase transitions, remains a significant challenge.
  • Cesium lead iodide (CsPbI3) can degrade from its perovskite phase to a non-perovskite phase (δ-CsPbI3).

Purpose of the Study:

  • To investigate the degradation kinetics of CsPbI3 perovskite thin films.
  • To understand the role of surface chemistry in the phase transition of CsPbI3.
  • To identify the rate-limiting step in the formation of δ-CsPbI3.

Main Methods:

  • Tracking the phase transition of CsPbI3 using surface analysis techniques.
  • Comparing phase transition rates in neat CsPbI3 films versus those treated with CsI and CdI2.
  • Utilizing X-ray Photoelectron Spectroscopy (XPS) to analyze surface chemistry.

Main Results:

  • A ~5-fold reduction in the CsPbI3 to δ-CsPbI3 phase transition rate was observed with CsI and CdI2 treatments.
  • Increased surface iodide concentration correlated with a reduced phase transition rate.
  • Surface iodide vacancies were identified as nucleation sites for δ-CsPbI3 growth.

Conclusions:

  • Surface iodide concentration is a critical factor in stabilizing the CsPbI3 perovskite phase.
  • Surface iodide vacancies act as nucleation sites for the detrimental δ-CsPbI3 phase.
  • Phase nucleation is the rate-limiting step in the degradation of CsPbI3 perovskite thin films, offering a pathway to improved material stability.